What is the difference between double compression
- 7 Answers
- 56590 Views
- Bhel, Hyundai, Orchid Chemicals and Pharmaceuticals, PDO, Prefamac, I also Faced
- E-Mail Answers
Answer Posted / ajay
Although # 4 answer is on right track. But apart from area
classification, mech grip is also equally imp. to Sum up:
Ex'e'(single compression) equal to IP54.(IEC 60079-0,7)
Ex'd' (double compression) equivalent IP66. (IEC 60079-1).
Double is better always... but may not be necessary for all
applications.
| Is This Answer Correct ? | 1 Yes | 10 No |
Post New Answer View All Answers
what is conductor copnstant of ab cable
the winding of Generator and Motor is star or in delta ? and why
difference between semiconductor & conductor & insulator?
how to select the double earth conductor if 21A full load?
at work we have a 3 phase motor but on testing one phase isnt getting a reading. it runs 24 hours a day all week. stops and starts well no noise or heating. the phase isnt down to earth.is it just a bad meter reading or not? phases one and three came up with a resistance reading of 0.4 but phase 2 couldnt get anything shows up as open circuit.
How to Calculate the Fault Level of Electrical Installation
why don't we use the generator as a motor? and what will happen?
what is the requirement regarding earthing of Single conductor with AWA
what is harmonics? what are the factors it will depend upon
when the time of backcharging the transformer three phases only enough or three phase with neutral is must.from these which one is the best one.
hi , i have 150 kw loud and we need 50 m cabil,i want to know wich size cabil we use. thanks
What are the factor to be consider for CT selection in 132kV substation?
What is the formula for calculating the Instantaneous Short Circuit & overcurrent for any breaker
how do prepare ongc exam.how is it question model.i am electrical. which part covering in electrical.tell me
Why should be the frequency 50 hz 60hz only why not others like 45, 95 56 or anything , why should we maintain the frequency constant if so why it is only 50 hz 60hz?
